diff --git a/soi/OrthoFinder.py b/soi/OrthoFinder.py
index 4169ad4..302e3da 100644
--- a/soi/OrthoFinder.py
+++ b/soi/OrthoFinder.py
@@ -661,7 +661,7 @@ def get_homologs(self, sps=None, sp1=None, sp2=None, **kargs):
 							continue
 						ortho_pairs.add( (g1, g2) ) # inparalogs
 		return ortho_pairs
-def test_sonicparanoid(ResultsDir=sys.argv[2]):
+def test_sonicparanoid(ResultsDir):
 	for g1, g2 in SonicParanoid(ResultsDir).get_homologs():
 		print(g1, g2)
 class SonicParanoidOrthologs: